| 时间 | 值 （%） | 世界排名 |
|---|---|---|
| 2016 | 86.94 | 184 |
| 2015 | 87.61 | 185 |
| 2014 | 88.34 | 185 |
| 2013 | 88.99 | 183 |
| 2012 | 89.54 | 183 |
| 2011 | 89.92 | 183 |
| 2010 | 90.09 | 183 |
| 2009 | 90.58 | 182 |
| 2008 | 90.95 | 184 |
| 2007 | 91.2 | 184 |
| 2006 | 91.32 | 184 |
| 2005 | 91.28 | 184 |
| 2004 | 91.75 | 184 |
| 2003 | 92.16 | 182 |
| 2002 | 92.48 | 182 |
| 2001 | 92.67 | 182 |
| 2000 | 92.68 | 182 |
| 1999 | 93.27 | 185 |
| 1998 | 93.81 | 185 |
| 1997 | 94.26 | 186 |
| 1996 | 94.54 | 185 |
| 1995 | 94.54 | 185 |
| 1994 | 95.16 | 184 |
| 1993 | 95.6 | 182 |
| 1992 | 95.83 | 181 |
| 1991 | 95.82 | 182 |
| 1990 | 95.53 | 181 |
| 1989 | 95.58 | 182 |
| 1988 | 95.39 | 183 |
| 1987 | 94.94 | 181 |
| 1986 | 94.24 | 176 |